polyp of vocal cord

[名词解释] vocal nodules

[名词解释] 宫颈息肉(cervical polyp)

[单选题]The operating cord on an inflatable liferaft should be renewed by（）.A . removing the top half of the shell，cutting the line at its source，and renewing completelyB . cutting the line where it enters the case and replacing that portionC . leaving the o

[名词解释] 脐带脱垂(prolapse of umbilical cord)

[名词解释] 脐带先露(presentation of umbilical cord)

[名词解释] 脐带帆状附着(cord velamentous insertion)

[名词解释] transverse lesion 0f the spinal cord